Very simply a stove that heats zone areas or a whole house depending on layout and floor plan using wood which can be purchased or cut by the owner.

Wood stoves can be extremely economical for consumers who have free sources of wood. (i.e. personal property or wood cutting contracts) Ambiance and, a special comfort, only wood stoves can offer. Independence from utility companies, no electricity needed unless running blowers. 

Models include: free standing, inserts for existing fireplaces, and built in units that give the look of a fireplace with the efficiency of a stove.

For more info on the difference between stoves, inserts and fireplaces, click here